[RESEND][PATCH] pcmcia: move unbind/rebind into dev_pm_ops.complete

From: Christian Lamparter
Date: Fri May 25 2012 - 19:42:01 EST


The idea of moving rebind procedure into pm.complete
was taken from the usb-subsystem, which has similar
problems with reattaching devices during/after
resume.

Signed-off-by: Christian Lamparter <chunkeey@xxxxxxxxxxxxxx>
---
Note: I have submitted this patch before in march.
But as far as I can tell it was neither rejected
nor accepted?!

Regards,
Chr

PS: I'm not on the pcmcia/kernel list, so please keep the
'CC'.
---
drivers/pcmcia/cs.c | 22 ++++++++++++++++++----
1 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index d9ea192..503596f 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -512,6 +512,13 @@ static int socket_late_resume(struct pcmcia_socket *skt)
return socket_insert(skt);
}

+ if (!(skt->state & SOCKET_CARDBUS) && (skt->callback))
+ skt->callback->early_resume(skt);
+ return 0;
+}
+
+static int socket_complete_resume(struct pcmcia_socket *skt)
+{
#ifdef CONFIG_CARDBUS
if (skt->state & SOCKET_CARDBUS) {
/* We can't be sure the CardBus card is the same
@@ -519,11 +526,8 @@ static int socket_late_resume(struct pcmcia_socket *skt)
* and re-add... */
cb_free(skt);
cb_alloc(skt);
- return 0;
}
#endif
- if (!(skt->state & SOCKET_CARDBUS) && (skt->callback))
- skt->callback->early_resume(skt);
return 0;
}

@@ -534,11 +538,15 @@ static int socket_late_resume(struct pcmcia_socket *skt)
*/
static int socket_resume(struct pcmcia_socket *skt)
{
+ int err;
if (!(skt->state & SOCKET_SUSPEND))
return -EBUSY;

socket_early_resume(skt);
- return socket_late_resume(skt);
+ err = socket_late_resume(skt);
+ if (!err)
+ socket_complete_resume(skt);
+ return err;
}

static void socket_remove(struct pcmcia_socket *skt)
@@ -849,6 +857,11 @@ static int __used pcmcia_socket_dev_resume(struct device *dev)
return __pcmcia_pm_op(dev, socket_late_resume);
}

+static void __used pcmcia_socket_dev_complete(struct device *dev)
+{
+ __pcmcia_pm_op(dev, socket_complete_resume);
+}
+
static const struct dev_pm_ops pcmcia_socket_pm_ops = {
/* dev_resume may be called with IRQs enabled */
SET_SYSTEM_SLEEP_PM_OPS(NULL,
@@ -863,6 +876,7 @@ static const struct dev_pm_ops pcmcia_socket_pm_ops = {
.resume_noirq = pcmcia_socket_dev_resume_noirq,
.thaw_noirq = pcmcia_socket_dev_resume_noirq,
.restore_noirq = pcmcia_socket_dev_resume_noirq,
+ .complete = pcmcia_socket_dev_complete,
};

#define PCMCIA_SOCKET_CLASS_PM_OPS (&pcmcia_socket_pm_ops)
--
1.7.9.1

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